50:1 1 //1 usgal with 2.6 oz 2cycle oil
50:1
40:1 owner's manual for a homelite st 185 trimmer says 32:1
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50:1
40 to 1
50:1 gas to 2 cycle oil.
ya mums uncles greatgrandfathers dogs brother in law
32:1 (4 oz. oil to 1 gallon of gas)
Gas/Oil Ratio = 32:1 Plug = DJ-7Y Gap = .025"
Homelite's oil is a 50:1 mix ratio. Just buy a bottle of two stroke oil made to mix with a gallon of gas (a common packing style) and use it as is.
Usually this is written on the fuel tank cap or on a sticker nearby. Go check on the unit.
40:1 will work for all those type engines it just needs enough oil to lube the cylinder walls is all